Guest MaLaChI Posted June 26, 2009 Share Posted June 26, 2009 Am o intrebare lgata de mc1489, Ce fel de date primeste pe intrare: -25- -2.5V - 1 LOGIC, sii intre 3 si 25 0 logic? Cum mai vine asta? Quote Link to comment Share on other sites More sharing options...
vsurducan Posted June 28, 2009 Share Posted June 28, 2009 Am o intrebare lgata de mc1489, Ce fel de date primeste pe intrare: -25- -2.5V - 1 LOGIC, sii intre 3 si 25 0 logic? Cum mai vine asta?Raspunsul in standardul EIA232 de unde poti afla care sunt nivelele lui logice, respectiv daca ai citi datasheetul lui1489/1488 ai afla cum functioneaza integratele convertoare de nivel.Sigur ca e mai usor sa intrebi, numa' sa-ti si raspunda cineva... Quote Link to comment Share on other sites More sharing options...
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